{"product_id":"11-16-import-2-side-hdo-concrete-forming-plywood-4-x-10","title":"11\/16\" Import 2-Side HDO Concrete Forming Plywood 4' x 10'","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003e11\/16\" Import 2-Side HDO Concrete Forming Plywood 4' x 10'\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eThis import forming plywood carries a High Density Overlay (HDO) on both faces. HDO is a resin-impregnated fibre surface bonded to the plywood, which gives a hard, smooth, non-absorbent face that releases cleanly from concrete and can be reused across multiple pours.\u003c\/p\u003e\n\u003cp\u003eEach sheet is 11\/16 in. (17.5 mm) thick and 4 ft. x 10 ft., so a single sheet covers a full 10 ft. wall lift without a horizontal joint. Because both faces are overlaid, the sheet can be flipped when one side wears.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Density Overlay (HDO) on both faces for a smooth concrete finish and clean release\u003c\/li\u003e\n\u003cli\u003eTwo usable faces: flip the sheet to extend its life on the job\u003c\/li\u003e\n\u003cli\u003e11\/16 in. (17.5 mm) thickness suits wall, column and slab forming\u003c\/li\u003e\n\u003cli\u003e4 ft. x 10 ft. sheet size cuts down on joints in tall wall forms\u003c\/li\u003e\n\u003cli\u003eSupplied 50 sheets to a pack; sheets are also sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete wall forms\u003c\/li\u003e\n\u003cli\u003eSlab, deck and edge forms\u003c\/li\u003e\n\u003cli\u003eColumn and beam forms\u003c\/li\u003e\n\u003cli\u003eGang forms and reusable panel systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e11\/16 in. (17.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSheet Size\u003c\/th\u003e\n\u003ctd\u003e4 ft. x 10 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFaces\u003c\/th\u003e\n\u003ctd\u003eHDO (High Density Overlay), both sides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eConcrete forming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eImport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSheets per Pack\u003c\/th\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eHDO overlay and reuse information follows APA - The Engineered Wood Association's guidance on overlaid panels. Panel construction, grade and reuse life vary by mill and by how the form is built and cared for, so confirm the panel suits the finish and number of pours your job needs. Source: \u003ca href=\"https:\/\/www.apawood.org\/engineered-wood-products\/plywood-osb\/mdohdo-panels\/\" target=\"_blank\" rel=\"noopener\"\u003eAPA: HDO and MDO overlaid panels\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eHandling and Care\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eSeal all cut ends and edges with a heavy coat of exterior wood primer or edge sealer to keep moisture out\u003c\/li\u003e\n\u003cli\u003eApply a release agent to the form face before every pour\u003c\/li\u003e\n\u003cli\u003eClean concrete off faces and edges with non-ferrous tools only, and protect corners and edges when stripping\u003c\/li\u003e\n\u003cli\u003eFasten with spiral or ring-shank nails and avoid overdriving, which breaks the overlay and lets water in\u003c\/li\u003e\n\u003cli\u003eLeave a small gap between panels for flatwise movement as the wood takes up moisture\u003c\/li\u003e\n\u003cli\u003eStore panels flat, face to face, and out of the weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"pb-note\"\u003eCare and handling follow APA overlaid panel guidance and general concrete forming practice. Source: \u003ca href=\"https:\/\/www.constructionspecifier.com\/specifying-right-plywood-concrete-formwork\/\" target=\"_blank\" rel=\"noopener\"\u003eThe Construction Specifier: Specifying the right plywood for concrete formwork\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan this forming plywood be reused?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes. HDO panels are made for repeated pours, and reuse depends mainly on handling, edge sealing and release agent use. Industry guidance puts well-cared-for HDO panels in the range of 20 to 50 reuses.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eAre both sides of the sheet usable?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes. Both faces carry the HDO surface, so you can flip the sheet when one face wears.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eHow many sheets come in a pack?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eThe supplier packs 50 sheets. Sheets are also sold individually, and bulk pack pricing is available on request.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eDo I need to seal the edges?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eYes. Seal every cut edge and exposed end with exterior wood primer or edge sealer before use, and reseal after cutting.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWhat is the difference between HDO and MDO?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eHDO carries a heavier resin content in its overlay than MDO, so the face is harder and holds up to more pours and a smoother finish. MDO is the lower-cost option for fewer reuses.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/11-16-import-2-side-hdo-concrete-forming-plywood-4-x-10#product\",\"name\":\"11\/16\\\" Import 2-Side HDO Concrete Forming Plywood 4' x 10'\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/11-16-import-2-side-hdo-concrete-forming-plywood-4-x-10\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Griff Building Supplies\"},\"category\":\"Hardware \u003e Building Materials \u003e Lumber \u0026 Sheet Stock \u003e Plywood\",\"description\":\"Import 2-side HDO concrete forming plywood, 11\/16 in. x 4 ft. x 10 ft. High density overlay on both faces for reusable forms. Sold per sheet.\",\"material\":\"Plywood with high density overlay (HDO)\",\"image\":\"\",\"sku\":\"FP1116410FF\",\"mpn\":\"FP1116410FF\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Thickness\",\"value\":\"11\/16 in. (17.5 mm)\"},{\"@type\":\"PropertyValue\",\"name\":\"Sheet Size\",\"value\":\"4 ft. x 10 ft.\"},{\"@type\":\"PropertyValue\",\"name\":\"Faces\",\"value\":\"HDO (High Density Overlay), both sides\"},{\"@type\":\"PropertyValue\",\"name\":\"Application\",\"value\":\"Concrete forming\"},{\"@type\":\"PropertyValue\",\"name\":\"Origin\",\"value\":\"Import\"},{\"@type\":\"PropertyValue\",\"name\":\"Sheets per Pack\",\"value\":\"50\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/11-16-import-2-side-hdo-concrete-forming-plywood-4-x-10#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can this forming plywood be reused?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. HDO panels are made for repeated pours, and reuse depends mainly on handling, edge sealing and release agent use. Industry guidance puts well-cared-for HDO panels in the range of 20 to 50 reuses.\"}},{\"@type\":\"Question\",\"name\":\"Are both sides of the sheet usable?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Both faces carry the HDO surface, so you can flip the sheet when one face wears.\"}},{\"@type\":\"Question\",\"name\":\"How many sheets come in a pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The supplier packs 50 sheets. Sheets are also sold individually, and bulk pack pricing is available on request.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to seal the edges?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Seal every cut edge and exposed end with exterior wood primer or edge sealer before use, and reseal after cutting.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between HDO and MDO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"HDO carries a heavier resin content in its overlay than MDO, so the face is harder and holds up to more pours and a smoother finish. MDO is the lower-cost option for fewer reuses.\"}}]}]}\u003c\/script\u003e","brand":"Griff Building Supplies","offers":[{"title":"Default Title","offer_id":67972360438079,"sku":"FP1116410FF","price":85.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/files\/Dark_Brown_Laminated_Plywood_Sheet.png?v=1793984157","url":"https:\/\/griffbuildingsupplies.com\/fa\/products\/11-16-import-2-side-hdo-concrete-forming-plywood-4-x-10","provider":"Griff Building Supplies","version":"1.0","type":"link"}